Summary
During hypothermic anaesthesia for cardiovascular surgery, it has been noted that a hypertensive phase immediately succeeds the period of circulatory occlusion. The mechanism of the hypertension was investigated in six patients by determining the adrenalin and noradrenalin plasma levels before and after occlusion. A close relationship was observed between the sudden increase in systemic blood pressure and the abrupt rise In plasma catechol amines.
Résumé
Nous avons remarqué que ľocclusion circulatoirre était suivie Ľune periode Ľhypertension dans nos cas Ľhypothermie pour chirurgie cardiovasculaire. Nons avons recherché la concentration Ľadrenaline et de noradrenaline plasmatique, avant et apris occlusion chez ces patients. Les résultats ont confirmé qu’il y avait une intime relation entre ľaugmentation de pression artérielle et le taux des catecholamines dans le plasma.
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References
Conn, A. W., Allan, D., &Junkin, C. I. Anaesthesia With Hypothermia For Closure of Atrial Septal Defects in Children. Canad. Anaesth. Soc. J.6: 327–335 (1959).
Millar, R. A., &Benfey, B. G. The Fluorimetric Estimation of Adrenaline and Noradrenaline during Haemorrhagic Hypotension. Brit. J. Anaesth.30: 158–165 (1958).
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From the Research Institute, Hospital for Sick Children, Toronto, Canada.
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Conn, A.W., Millar, R.A. Post occlusion hypertension and plasma catecholamine levels. Can. Anaes. Soc. J. 7, 443–446 (1960). https://doi.org/10.1007/BF03021302
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DOI: https://doi.org/10.1007/BF03021302